[Mobile-Portable] Injector Noise Cures

[N1KHB at aol.com]

Hi Randy,
   Don't bother with copper foil until you try aluminum first. If  aluminum 
helps then that will be a clue that you're headed in the right  direction 
and at far less expense. 
   ARRL can be helpful, and I also found my Ford dealer to be  VERY helpful 
with my HF installation. They even went out of their way to  replace the 
engine computer under warranty to a known (to them) quieter  version.
 
Best,
Sonny N1KHB
 
 
 
 
In a message dated 1/19/2014 3:44:05 A.M. Eastern Standard Time,  
n5wv at comcast.net writes:




Group , Has anyone had much success defeating injector  noise with Ford 6.0 
and 7.3 ltr diesel engines ? I have bonded the exhaust  system , doors and 
hood of my Excursions plus added extra engine ground straps  and power 
directly from batteries and injector noise is still present. And  have added mix 
31 toroids on every power lead and coaxial cable . I have  purchased copper 
foil and copper tape for shielding injector wiring harnesses  outside of the 
engine and have not had the time to do it yet. I thought about  snap 
beading the injector leads but they are enclosed under the valve covers  with 
other parts in the way. And they are very tight with no slack at all. So  if it 
was worth pulling the valve covers and oil rails one could not wrap the  
bead at all. For now , all I know to do next is start shielding external  
wiring harnesses with copper foil and copper tape. Anyone have any other ideas  ? 
Randy N5WV  
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